48results about How to "Improve rollover resistance" patented technology

The invention discloses an intelligent anti-rollover control system for an oil tank truck and a use method. The intelligent anti-rollover control system comprises a truck frame, a tank body, multi-dimensional pneumatic pressing plate adjusting devices, a combined pressing plate, annular gravity center adjusting devices, six-dimensional posture adjusting bionic wheel legs, a central control unit, a tank body gravity center controller and tank truck sensors. The use method is mainly characterized as follows: the central processing unit performs coordination control on the tank body gravity center controller and a wheel leg posture adjusting controller; the tank body gravity center controller performs coordination control on a pressing plate adjusting controller, a pressing plate controller and an annular gravity center adjusting controller; the wheel leg posture adjusting controller performs six-dimensional posture adjusting on the six-dimensional posture adjusting bionic wheel legs. The intelligent anti-rollover control system can realize real-time online monitoring and control of the gravity center of a chassis of the oil tank truck and the gravity center of the tank body of the oil tank truck, prevent rollover when the oil tank truck is disturbed by the bad road surface and the outside in a high-speed running state and remarkably improve the running stability, safety and the anti-rollover capacity of the oil tank truck.

The invention relates a vehicle suspension which comprises an oil cylinder, energy accumulators and damping adjustment units, wherein a rodless cavity of the oil cylinder and a rod cavity of the oil cylinder are respectively connected with one energy accumulator; one damping adjustment unit is arranged between the rodless cavity of the oil cylinder and the corresponding energy accumulator, and the other one damping adjustment unit is arranged between the rod cavity of the oil cylinder and the corresponding energy accumulator. The vehicle suspension has the beneficial effects that the two energy accumulator and corresponding valve banks are arranged, so that rigid and continuous adjustment is realized, the side-tipping resistance and side-turnover resistance of a vehicle are improved, and the comfort, safety and control stability of the vehicle are greatly improved; the capacity of a general gas chamber of the energy accumulator communicated with the rodless cavity of the oil cylinder is increased, so that the rigidity of the suspension is reduced, the suspension is relatively soft, and the vehicle is relatively stable and comfortable in running.

The invention provides an auxiliary supporting device of a crane. The auxiliary supporting device of the crane comprises a support frame, an axle bracket, a support cylinder arranged between the support frame and the axle bracket, a roller and an axle for supporting the roller, wherein the support frame is provided with a fixing device capable of installing the auxiliary supporting device of the crane on the crane, one end of the support cylinder is connected with the support frame, the other end of the support cylinder is connected with the axle bracket, and the axle bracket can move relative to the support frame through the support cylinder and is connected with the support frame in a mode that the axle bracket does not rotate relative to the support frame; the axle is arranged on the axle bracket; and the roller is rotationally arranged on the axle. The invention also provides the crane with the auxiliary supporting device. By adopting the auxiliary supporting device of the crane, the stabilizing plane of the crane can be enlarged, and the tipping resistance of the crane can be improved, so that the safety is ensured when the crane works, particularly when the heavy crane runs at a rotary station.

The invention provides a multi-airplane-type airplane weight gravity center automatic measuring device which comprises a front servo lifting leveling device, an inclination angle sensor, a tool car and a rear servo lifting leveling device, wherein the inclination angle sensor is installed on an airplane body pitching reference plane, an electric control cabinet is arranged in the tool car, measurement management software is installed in a computer, the computer is electrically connected with the electric control cabinet, and the front servo lifting leveling device and the rear servo lifting leveling device are each provided with a signal converter and a lateral force resisting mechanism; the inclination angle sensor, the signal converters and the electric control cabinet are electrically connected in sequence. According to the multi-airplane-type airplane weight gravity center automatic measuring device, by arranging the inclination angle sensor, the attitude state of the airplane canbe directly obtained, response is faster, and the safety of the airplane during measurement is improved; the lateral force resisting mechanism is arranged; when the aircraft is lifted, the automatic adjustment function of the horizontal position is realized, the operation is easier and safer, and the test precision and efficiency are improved.

The invention discloses a novel harvester chassis structure with leveling function, belongs to the technical field of machine manufacturing, and is intended to solve the problem when operating in mountain and hilly areas, an existing harvester lacking a rollover preventer easily rolls over due to complex terrain. The novel harvester chassis structure comprises a frame, a front axle and a rear axle and is characterized in that two spherical joints are connected to the bottom of the frame, the spherical joint at the front of the frame is connected with a front axle supporting hydraulic cylinder, and the spherical joint at the rear of the frame is connected with a rear axle supporting hydraulic cylinder. The novel harvester chassis structure is simple in structure, ingenious in design and low in cost, can effectively adapts to work environments in complex terrain areas and has improved rollover preventing performance.

The invention relates to an ultra-large type crawler crane wheel set type bearing trolley device which is suitable for slewing bearing of an ultra-large type crawler crane. The device is assembled between a base and a platform. The trolley device mainly comprises a combination trolley mechanism, a driving mechanism and a hook roller mechanism. The combination trolley mechanism is composed of multiple stages of beam frames which are hinged step-by-step and wheel sets at the bottom of the mechanism, and the driving mechanism and the hook roller mechanism are respectively connected to the combination trolley mechanism. The wheel sets on the lower portion of the trolley device are matched with an annular track on a lower trolley base, the upper portion of the trolley device is fixedly connected with an upper trolley platform, and bearing is formed. The ultra-large type crawler crane wheel set type bearing trolley device integrates driving, rotating and bearing, limitation of bearing radius factors in the crane design is avoided, the anti-tipping-over capability is improved, due to the upper trolley and lower trolley bearing mode of the trolley device, larger loads can be borne, and the working condition of large load moment and the large working radius is facilitated.

The invention provides an anti-rollover transport tanker. The anti-rollover transport tanker comprises a frame, an axle mounted below the frame, and a hydraulic interconnection suspension for connecting the frame with the axle, wherein the hydraulic interconnection suspension comprises two suspension mechanisms and a connecting mechanism, the two suspension mechanisms are arranged on two sides ofthe frame respectively, each suspension mechanism comprises at least one damping valve block and at least two hydraulic shock absorbers, the hydraulic shock absorbers of the suspension mechanisms enable oil cavities of the hydraulic shock absorbers of the suspension mechanisms to be communicated with each other through at least one damping valve block, and enable pressure cavities of the hydraulicshock absorbers of the suspension mechanisms to be communicated with each other, a top end of each hydraulic damper is connected with the frame, a bottom end is connected with an axle, the connectingmechanism comprises a plurality of connecting pipes which are arranged in parallel, each connecting pipe is connected between the damping valve blocks corresponding to the two suspension mechanisms,so hydraulic oil in the oil cavities of the hydraulic shock absorbers between the two suspension mechanisms is communicated, and pressure in the pressure cavities of the hydraulic shock absorbers between the two suspension mechanisms is communicated.

The invention relates to a vehicle suspension and a vehicle. The suspension comprises an oil cylinder, a power unit and at least three accumulators, wherein a rod chamber of the oil cylinder is communicated with the first accumulator and the power unit respectively, and a rodless chamber of the oil cylinder is communicated with the second accumulator and the power unit respectively. The vehicle comprises the suspension which is arranged at the bottom of a vehicle body. The suspension and the vehicle have the beneficial effects that real-time and step adjustment of rigidity is achieved and the side-tipping and rollover resistance of the vehicle is improved, thus greatly improving the comfort, safety and handling stability of the vehicle; and the volume of the total air chamber of the accumulator connected with the rodless chamber of the oil cylinder is increased, thus reducing the rigidity of the suspension, so that the suspension is more flexible and then the vehicle runs more stably and comfortably.

The invention relates to a supporting leg mechanism of a pump truck. An automotive chassis of the pump truck is provided with a base assembly and an auxiliary frame. The supporting leg mechanism comprises front supporting legs on the base assembly and rear supporting legs on the auxiliary frame. The front supporting legs include two upper supporting legs and two lower supporting legs, the base assembly is provided with an upper layer of X-type guide rail and a lower layer of X-type guide rail, and the two upper supporting legs and the two lower supporting legs are installed on the upper layer of X-type guide rail and the lower layer of X-type guide rail respectively. The four front supporting legs are arranged in an upper layer and a lower layer respectively and distributed in a dual-X shape, the front supporting legs stretch and retract in the fixed rails, the bearing range of the supporting legs is widened, the two rear supporting legs are fixed to the auxiliary frame, and supporting positions are kept unchanged. The supporting leg structure can better adapt to pump truck work site requirements, the pump truck can be better arranged in a narrow work site, the weight of the rear portion of the pump truck can be better borne, so the pump truck is more stable and safer during work, and the anti-rollover capacity of the pump truck is greatly improved.

The invention discloses a novel wing opening type self-dumping semitrailer and a self-dumping method thereof, belongs to the technical field of semitrailers, solves the technical problems of safe operation, high efficiency and environmental protection of the self-dumping semitrailer in an operation site, and according to the technical scheme, the self-dumping semitrailer comprises a frame, a carriage body, a self-dumping mechanism, a side door locking mechanism and a lifting hydraulic system; the carriage body is welded to the frame; the self-dumping mechanism is arranged in the carriage body and hinged to the carriage body, one end of the lifting hydraulic system is hinged to the frame, the other end of the lifting hydraulic system is hinged to the self-dumping mechanism, and the lifting hydraulic system drives the side door of the carriage body to turn over towards the outer side of the carriage body through the self-dumping mechanism; the side door locking mechanism is arranged on the carriage body, and the side door locking mechanism and the lifting hydraulic system synchronously control opening or closing of the side door. The semitrailer can adapt to complex operation sites, goods are unloaded when the carriage body is in a horizontal state, the anti-rollover capacity of the semitrailer is improved, operation is convenient, wheels are not buried by the goods, and the unloading efficiency is high.

The invention relates to a flood drainage car which comprises a car chassis. A base structure is mounted on the car chassis, an extensile arm frame mechanism and a drainage system are mounted on the base structure, the arm frame mechanism comprises a plurality of foldable arm frames and a water suction pump mounted on the arm frames, one end of the water suction pump is connected with a water suction pipeline, the other end of the water suction pump is connected with the drainage system through a drainage pipe, the water suction pipeline is mounted on the arm frames, and a port of the water suction pipeline is formed in the tail end of the extended arm frame mechanism. According to the flood drainage car, the arm frames can remotely extend to a waterlogging area, and drainage efficiency ishigh.

The invention discloses a supporting leg assembly and mechanical equipment. The supporting leg assembly comprises a first supporting leg, a rotating arm and a second supporting leg. The first supporting leg comprises a first fixing leg and a first telescopic leg telescopically arranged on the first fixing leg; the rotating arm is rotatably arranged on the first fixing leg; and the second supporting leg comprises a second fixing leg and a second telescopic leg telescopically arranged on the second fixing leg, the second leg is fixed to the rotating arm, and the second supporting leg can rotatearound the first supporting leg through the rotating arm. According to the technical scheme, the second supporting leg can rotate all-directionally by 360 degrees, and the anti-tipping capacity, the working stability and the adaptability of special working conditions during working of the equipment are greatly improved.

The invention discloses a binding trolley for concrete steel bars and a binding construction method thereof, and belongs to the technical field of design and manufacturing of auxiliary technologydevices for building construction devices. According to the binding trolley for the concrete steel bars and the binding construction method thereof,steel bar binding operability is high, and construction operation is convenient. The binding trolley comprises a trolley frame, a steel bar binding platform, and a mounting driving system, and the steel bar binding platform is movably supported on the trolley frame through the mounting driving system;the method comprises the steps that a concrete beam steel bar binding trolley of a suitable length is assembledon a formwork support frame system of a construction site according to the length of a concrete beam, a hoisting machine is debugged after the binding trolley is in place, and hydraulic pressure support legs are arranged between the formwork support frame system and the binding trolley, beam steel bar frameworks are bonded to load-bearing steel bars,the hoisting machine is operated to place the hoistedsteel bar frameworks on abeam soffit formwork, after the steel bar frameworksare in place, the hydraulic pressure support legs are retracted, and several processes are removed from the trolley in sections.

The invention relates to a connector for connecting a cross beam and an upright post. The connector has a transverse 'you'-shaped (Chinese character) structure, the protruding end of the front part of the connector extends out of the cross beam, the rear part of the connector has a frame-type closed cavity structure, and bolts holes are formed in the inside corners close to the front part of the connector. Compared with the prior art, the connector has the advantages that: a free installation sequence is realized through the closed cavity structure; two pin holes are shifted forwards, so that the side turning resistance of vertical anti-shearing design is obviously enhanced; the connector is easy to construct and convenient to operate; and because bolts are provided with springs, loosening is prevented, the connector is easy to disassemble and assemble, and an effective system can be formed by combination.

The invention relates to an intelligent agricultural machine with obstacle crossing capability. The intelligent agricultural machine comprises a frame provided with a front traveling wheel and a rear traveling wheel, the front traveling wheel is connected with the frame through a damping mechanism, the damping mechanism comprises a pneumatic rod and a connecting rod which are arranged up and down, one end of the connecting rod is hinged with the frame, and a hinge shaft is fixed at the other end of the connecting rod; the hinge shaft is rotatably matched with a hinge hole in the front walking wheel, a large gear is fixed to the hinge shaft, a small gear in meshed transmission with the large gear is rotatably assembled on the front walking wheel, a connecting rod is fixed to a gear shaft of the small gear, and a laser displacement sensor used for irradiating laser forwards is arranged at the lower end of the connecting rod; and the laser displacement sensor is provided with a measuring position and a retracting position higher than the measuring position in the process of swinging along with the connecting rod, and when the laser displacement sensor is located at the measuring position, the height of the laser displacement sensor is consistent with the bottommost height of the front walking wheel. The invention provides the intelligent agricultural machine with the obstacle crossing capability, and the intelligent agricultural machine can cross ridges and can prevent the ridges from being damaged.